QUESTION 72 Suppose ArrayList x contains three strings [Beijing, Singapore, Toky

ID: 3740413 • Letter: Q

Question

QUESTION 72

Suppose ArrayList x contains three strings [Beijing, Singapore, Tokyo]. The following method call will cause runtime error:

x.remove(3)

True

False

QUESTION 83

You can use the methods in the Arrays class to shuffle an array.

True

False

QUESTION 84

When you create an array using new int[10], an array object is created with ten integers of value 0.

True

False

QUESTION 87

Suppose ArrayList x contains three strings [Beijing, Singapore, Tokyo]. The following method call will cause runtime error:

x.size()

True

False

question 90

You can insert an element anywhere in a linked list.

True

False

Question 72 : True

ArrayList x contains three strings [Beijing, Singapore, Tokyo] which are in position 0,1,2.

The call to method x.remove(3) will cause runtime error as there are is no third element.

QUESTION 83: TRUE

Example : Java Collection.shuffle() method is used to shuffle elements of an array.

QUESTION 84: True

The elements in the array allocated by new will automatically be initialized to zero.

Hence when an array is created using new int[10], an array object is created with ten integers which are initialized to zero.

Question 87 : False

Invoking x.size() returns the number of the elements in an ArrayList x.

Here ArrayList x contains three strings [Beijing, Singapore, Tokyo] and x.size() returns 3.

Question 90: True

An element can be inserted anywhere in the linked list

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